Integrated science for Philippine setting : work study book 
Vega, Milagros A. 
 -  National Book Store,  2008 
 - xiii, 94 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>9-71086917-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science -- Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>F 507.11 V4221 2008